/* 这样的处理方式我也不知道说什么好了，也就那样吧，没有什么东西的 */

.my-node-enter,
.my-node-appear {
  opacity: 0;
  transform: scale(.6);
}

.my-node-enter-active,
.my-node-appear-active {
  opacity: 1;
  transform: scale(1);
  transition: all 200ms;
}

.my-node-exit {
  opacity: 1;
}

.my-node-exit-active {
  opacity: 0;
  transition: all 200ms;
}

.my-node-exit-done {
  opacity: 0;
  transition: all 200ms;
}